Battle of the Big Three

Sanctuary II had arrived above Avengers Headquarters. In an instant, hundreds of missiles rained down, flying toward the Avengers Compound with an overwhelming barrage.

"Warning, enemy air-to-ground missiles detected..."

Friday's voice rang out within the Avengers Compound. Iron Man's expression immediately changed. "Friday, activate Defense Mode Eight!"

"Yes, Boss!"

At Iron Man's command, massive, sturdy protective panels rose over the windows, walls, glass ceiling, and entrances of Avengers Headquarters, shielding the entire Avengers Compound and turning it into a steel fortress.

At that moment, Sanctuary II's attack arrived. Missile after missile exploded, shattering the ground as smoke and flames erupted everywhere. The entire Avengers Compound was subjected to carpet bombing. Protected by Defense Mode, the buildings inside the compound did not suffer much damage, but the land and woods outside were left in complete ruin.

The Avengers Compound was surrounded by scorched earth and burning trees. Even the Avengers emblem atop Headquarters had been blown apart.

Inside the compound, protected by Defense Mode, William and the others were unharmed. William handed Hawkeye Iron Man's Infinity Gauntlet, already fitted with five Infinity Stones.

"Master, you, Natasha, and the Doctor will guard the Infinity Gauntlet. Don't let Thanos or his men get it," William said solemnly.

"I'll protect it with my life," Hawkeye said. Black Widow and Hulk nodded behind him.

"What about you?" Hawkeye asked.

"We're going to meet Emperor Thanos," William said.

As the gates of the Avengers Compound opened, William, Iron Man, Thor, Captain America, Wolverine, and Deadpool walked out.

A massive phantom image of another Earth hung in the sky, along with the colossal Sanctuary II. A beam of blue light shot down from Sanctuary II, and a burly figure appeared within it.

Emperor Thanos wore a helmet and a golden mask over his face, clad in golden